| 摘要 |
The method for scrolling graphic and text within a selected window of a display (51, 52) under control of processor (20), consists in specifying the pixel locations of opposite corners of a window to be scrolled and the number of rows to be scrolled, calculating the size and location in the display refresh buffer of the window to be scrolled, and moving the number of rows to be scrolled from source locations to destination locations within the window in the display refresh buffer (34). |
